Answer:
630 minutes
Step-by-step explanation:
.45 (percentage) multipled by the total number of minutes she has (1,400) equals 630.
It’s C. I have to put more letters just ignore this
Answer:

Step-by-step explanation:
To add fractions <em>with the same denominator</em>, simply add the numerators:

So:

That's easy it is 11/8 because 4+7=11 8 will be the same
-7 because when it’s +(-) it’s always the same as the outside sign
-4 same thing explained above
-4
hope this helps